Lack of sleep

Lack of sleep is defined as the inability of the human body to benefit from healthy sleep due to the low number of total hours of sleep, or the inability to sleep for continuous periods that ensure the attainment of a deep and healthy sleep phase.all individuals are prone to suffer from lack of sleep, whether they are women or men. however, there are some factors that are specific to women rather than men, which increase the chance of developing insomnia. lack of sleep is classified as acute, which lasts for a short period of time, or insomnia may be chronic, which is characterized by insufficient sleep over a relatively long period of time.

Sleep can be described by two main characteristics, namely the depth or quality of sleep, and the number of hours of sleep, and it is not permissible to describe sleep by the number of hours only, without considering the quality of sleep, as some may suffer from the effects of lack of sleep with the number of hours remaining within normal limits,and the effects

Long-term lack of sleep also affects mental health, and can lead to memory impairment, mood swings, impaired concentration, accidents, injuries, and many other complications.

# Reasons for lack of sleep.

There are many reasons that may lead to lack of sleep in a person, some of which are associated with the presence of a certain disease condition, or some habits and behaviors , or going through one of the influential events.